388129653

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 593049600

約数和(自身を除く): 204919947

約数列:

[1, 3, 9, 43, 53, 127, 129, 149, 159, 381, 387, 447, 477, 1143, 1341, 2279, 5461, 6407, 6731, 6837, 7897, 16383, 18923, 19221, 20193, 20511, 23691, 49149, 56769, 57663, 60579, 71073, 170307, 289433, 339571, 813689, 868299, 1002919, 1018713, 2441067, 2604897, 3008757, 3056139, 7323201, 9026271, 43125517, 129376551, 388129653]

約数ペア:

[(1, 388129653), (3, 129376551), (9, 43125517), (43, 9026271), (53, 7323201), (127, 3056139), (129, 3008757), (149, 2604897), (159, 2441067), (381, 1018713), (387, 1002919), (447, 868299), (477, 813689), (1143, 339571), (1341, 289433), (2279, 170307), (5461, 71073), (6407, 60579), (6731, 57663), (6837, 56769), (7897, 49149), (16383, 23691), (18923, 20511), (19221, 20193)]